Zundel : Smuts and Rusts of Utah and Idaho 181 



Ustilago hordei (Pers.) Kel. & Swing., Ann. Rep. Kans. Agr. Exp. 

 Sta. 2: 268. 1890 



On Hordeum sp. cult., Beaver, Beaver County, Utah (Christiansen). 



Ustilago lorentziana Thum. Flora 63 : 30. 1880 



On Hordeum jubatum L. Logan, Cache County, Utah, August 5, 1912 

 (Jensen No. 220) ; Beaver, Beaver County, Utah, August, 19 17 (Christian- 

 sen) ; Logan, Cache County, Utah, August 3, 1920 (90 per cent infection) ; 

 Logan Canyon, Cache County, Utah, August 7, 1920 (5 per cent infection) ; 

 Ideal Beach near South end of Bear Lake, Rich County, Utah, August 8, 

 1920 (30 per cent infection). ; Bloomington, Bear Lake County, Idaho, August 

 8, 1920 (8 per cent infection) ; Tyhee, Bannock County, Idaho, August 19, 

 1920 (trace of infection) ; East Halliday Street, Pocatello, Bannock County, 

 Idaho, August 20, 1920 (3 per cent infection) ; near subway, O. S. L. R. R., 

 Pocatello, Bannock County, Idaho (25 per cent infection). 



Ustilago longissima (Snow.) Tul. Ann. Sci. Nat. 111, 7: 76. 1847 

 On leaves of Glycera grandis Wats.— Banks of Logan River, West of 

 Logan, Cache County, Utah, August 17, 19 12 (Jensen No. 251). 



Ustilago macrospora Desmaz. PI. Crypt. II. 1727. 1850. 

 On leaves of Elymus canadensis L., Oregon Short Line Railroad West of 

 Logan, Cache County, Utah, August 17, 1912 (Jensen No. 250). 



Ustilago tritici (Pers.) Rostr. Overs. K: Danske Vid. Selsk. Forh. 



1890: 15 Mch, 1890 

 On Triiicum sp. (cultivated wheat) Greenville, Cache County, Utah, June 

 17, 19 18; Beaver, Beaver County, Utah, August, 19 18 (Christiansen). 



RUSTS 



Aecidium abundans Pk. Bot. Gaz. 3: 34. 1878 



On Symphoricarpus sp. — Mountains South of Canyon Road, Logan, Cache 

 County, Utah, August 10, 1912 (Jensen No. 237). 



Aecidium phalaris Pk. 

 On Phalaris leucophylla, Torr. Logan Canyon, Cache County, Utah, June 

 22, 1912 (Jensen No. 209). 



Gymnosporangium nelsoni Arth. Bull. Torr. Bot. Club 28: 665. 1901 



I. On leaves of Amelanchier alnifolia Nutt. Dry Canyon, Cache County, 

 Utah, August 2, 19 12 (Jensen No. 277) ; Logan Canyon, Cache County, L T tah, 

 August 4, 1920. 



Melamspora confluens (Pers.) Jack. Brook. Bot. Gard. Mem. 1: 210. 1918 



II. On Salix sp. — Banks of Logan River, West of Logan, Cache County, 

 Utah, August 15, 1912 (Jensen No. .246); Logan Canyon, Cache County, 

 Utah, August 7, 1920. 



